GRADE & PURITYBioReagent?BioReagent grade — tested suitable for life-science and molecular-biology use. Use for cell culture, assays, and biochemical work needing biological compatibility.
BioReagent BioReagent for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
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Storage & shipping
Store at 2-8°C,Protected from light Ships Wet ice Check lot-specific COA for exact specifications.
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Quality documents
SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.
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Literature proof
Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
Overview
Dihydroflavonol 4-reductase (DFR, EC 1.1.1.219) is a key enzyme in the anthocyanin biosynthetic pathway, responsible for reducing the three dihydroflavonols to colorless leucoanthocyanidins. It plays a significant role in determining the color of flowers, leaves, and fruits, as well as the色泽 and nutritional quality of other economic organs in plants.
Dihydroflavonol 4-reductase (DFR) acts on dihydroquercetin to produce catechin, which can condense with vanillin to form a red compound. This compound has a characteristic absorption peak at 500 nm, allowing the determination of DFR enzyme activity.
Specifications
Specifications & Purity
BioReagent
Grade
BioReagent
Application
Enzyme activity assay
Method Of Detection
Colorimetric Method
Detection instrument
Microplate reader
Detection wavelength
500nm
Storage and Shipping
Storage
Store at 2-8°C,Protected from light
Shipped In
Wet ice
Stability And Storage
Store at 2-8℃ for 3 months. Store in the dark.
Documentation
📋 Safety Data Sheet (SDS)
Comprehensive hazard, handling, storage, and regulatory compliance document.
Determine the necessary mass, volume, or concentration for preparing a solution.
Dilution Calculator
Determine the dilution needed to prepare a stock solution.
Reconstitution Calculator
Reviews
Customer Reviews
Frequently Asked Questions
What does BioReagent mean?
BioReagent indicates that the product has been processed and tested for biological and biochemical applications. Specifications may include endotoxin limits, microbial controls, sterility, low DNase/RNase/protease activity, and verified biological activity where relevant.
How should this product be stored?
Store at 2–8 °C, protected from light. The material is light-sensitive — keep it in its original opaque or amber container.
How is this product shipped?
This product ships chilled on wet ice. Unpack on arrival and transfer it to the storage condition stated above.
What documentation is provided?
Available product documentation, including Certificates of Analysis (COA), Safety Data Sheets (SDS), and specification sheets, is shown in the product document area. Document availability and access follow the current site policy.
Need help choosing the grade?
Our grade selection guide covers purity, stabilizer status, and application suitability for all variants in our catalog.
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Products are supplied to verified businesses, institutions, and qualified professionals for research and development use only. Not for use in humans, animals, diagnosis, or therapy.
